class MobilePhone:
  def __init__(self,a,b):
    self.a = a
    self.b = b

class CPU:

  def calculate(self):
    print("计算，算个12345")


class Screen:
  def show(self):
    print("显示一个好看的画面，亮瞎你的钛合金大眼")

c = CPU()
s = Screen()
m = MobilePhone(c,s)
m.a.calculate()
m.b.show()
# 计算，算个12345
# 显示一个好看的画面，亮瞎你的钛合金大眼